Home / 949,459.39-1,310,257.49-519,779.50

Finding the Fourth Proportional to 949,459.39, 1,310,257.49 and 519,779.50

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Solution

The fourth proportional to 949,459.39, 1,310,257.49 and 519,779.50 is: 717,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,459.39 : 1,310,257.49 = 519,779.50 : x
  2. Step 2: Convert to fraction form
    949,459.39/1,310,257.49 = 519,779.50/x
  3. Step 3: Cross multiply
    949,459.39x = 1,310,257.49 × 519,779.50
  4. Step 4: Simplify right side
    949,459.39x = 681,044,983,023.46
  5. Step 5: Solve for x
    x = 681,044,983,023.46/949,459.39
  6. Step 6: Final answer
    x = 717,297.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.